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Gut morphology of developing Malaysian river catfish Mystus nemurus (Cuvier and Valenciennes) larvae


Citation

El Hag, Ghada Ahmed and Kamarudin, Mohd Salleh and Saad, Che Roos and Daud, Siti Khalijah (2012) Gut morphology of developing Malaysian river catfish Mystus nemurus (Cuvier and Valenciennes) larvae. Journal of American Science, 8 (2). pp. 116-121. ISSN 1545-1003; ESSN: 2375-7264

Abstract / Synopsis

This study was conducted to monitor ontogenetic changes in the gut morphology of Malaysian river catfish, Mystus nemurus during larval development. Fish larvae were reared in three 1 ton fiberglass tanks. During the study, the larvae were fed on Artemia nauplii at 5 organisms ml feeding-1 from the start of exogenous feeding (4 DAH). The morphological development of the gut in M. nemurus larvae was observed using a profile projector and a light microscope for a 21 days period. At hatching and during the yolk absorption period, the gut was a simple, straight, undifferentiated tube throughout its length. By 4-5 DAH, the gut differentiated to the esophagus, stomach, and intestine which coincided to the commencement of exogenous feeding. Strong (GL = 0.3179TL-0.1412, R2 = 0.9284) relationship was found between gut length (GL) and total length (TL) of fish.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Agriculture
Faculty of Science
DOI Number: https://doi.org/10.7537/marsjas080212.19
Publisher: Marsland Press
Keywords: Malaysian river catfish; Larvae; Gut morphology; Mystus nemurus
Depositing User: Nur Farahin Ramli
Date Deposited: 04 Nov 2013 10:10
Last Modified: 25 Sep 2017 21:53
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.7537/marsjas080212.19
URI: http://psasir.upm.edu.my/id/eprint/23833
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